1. A stock has an expected return of 03.48% and a standard deviation of 17.28%. For this stock, what are the:

a) Upper range of 68% confindence interval

b) Lower range of 68% confindence interval:

c) Upper range of 95% confindence interval:  

d) Lower range of 95% confindence interval:

e) Upper range of 99% confindence interval:

f) Lower range of 99% confindence interval:

2. A stock had the following annual returns: 16.39%, -04.47% , -06.47%, and 25.05%.

What is the stock's: a) expected return?

What is the stock's: b) variance?

What is the stock's: c) standard deviation